Home / 16,143.54-22,269.08-15,001.88

Finding the Fourth Proportional to 16,143.54, 22,269.08 and 15,001.88

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Solution

The fourth proportional to 16,143.54, 22,269.08 and 15,001.88 is: 20,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.54 : 22,269.08 = 15,001.88 : x
  2. Step 2: Convert to fraction form
    16,143.54/22,269.08 = 15,001.88/x
  3. Step 3: Cross multiply
    16,143.54x = 22,269.08 × 15,001.88
  4. Step 4: Simplify right side
    16,143.54x = 334,078,065.87
  5. Step 5: Solve for x
    x = 334,078,065.87/16,143.54
  6. Step 6: Final answer
    x = 20,694.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.